2 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/tools/ocaml/camlp5/5.15.nix b/pkgs/development/tools/ocaml/camlp5/5.15.nix
index adfdb4bd204c..e8cda36f101b 100644
--- a/pkgs/development/tools/ocaml/camlp5/5.15.nix
+++ b/pkgs/development/tools/ocaml/camlp5/5.15.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
     homepage = "${webpage}";
     license = stdenv.lib.licenses.bsd3;
     branch = "5";
-    platforms = ocaml.meta.platforms;
+    platforms = ocaml.meta.platforms or [];
     maintainers = [
       stdenv.lib.maintainers.z77z
     ];
diff --git a/pkgs/development/tools/ocaml/camlp5/default.nix b/pkgs/development/tools/ocaml/camlp5/default.nix
index d9f364234308..83dd74d321ec 100644
--- a/pkgs/development/tools/ocaml/camlp5/default.nix
+++ b/pkgs/development/tools/ocaml/camlp5/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation {
     '';
     homepage = http://pauillac.inria.fr/~ddr/camlp5/;
     license = licenses.bsd3;
-    platforms = ocaml.meta.platforms;
+    platforms = ocaml.meta.platforms or [];
     maintainers = with maintainers; [
       z77z vbgl
     ];